GB1561383A - Process for the modification of the surface of textile planar bodles filaments and films - Google Patents
Process for the modification of the surface of textile planar bodles filaments and films Download PDFInfo
- Publication number
- GB1561383A GB1561383A GB4752476A GB4752476A GB1561383A GB 1561383 A GB1561383 A GB 1561383A GB 4752476 A GB4752476 A GB 4752476A GB 4752476 A GB4752476 A GB 4752476A GB 1561383 A GB1561383 A GB 1561383A
- Authority
- GB
- United Kingdom
- Prior art keywords
- treatment
- treated
- flat electrodes
- planar body
- electrodes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 29
- 239000004753 textile Substances 0.000 title claims description 26
- 230000008569 process Effects 0.000 title claims description 25
- 230000004048 modification Effects 0.000 title claims description 16
- 238000012986 modification Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims description 54
- 238000011282 treatment Methods 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 31
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- -1 polyethylene terephthalate Polymers 0.000 claims description 18
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 12
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000010849 ion bombardment Methods 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000007772 electrode material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012811 non-conductive material Substances 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 238000009832 plasma treatment Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 208000028659 discharge Diseases 0.000 description 21
- 150000002500 ions Chemical class 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
- D06M10/025—Corona discharge or low temperature plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Description
(54) PROCESS FOR THE MODIFICATION OF THE SURFACE OF TEXTILE
PLANAR BODIES, FILAMENTS AND FILMS
(71) We, FORSCHUNGSINSTITUT FUR
TEXTILTECHNOLOGIE, of 240 Annaberger
Strasse, 90 Karl-Marx-Stadt, German Democratic Republic, a Corporation organised under the laws of the German Democratic
Republic, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: The present invention is concerned with a process for the modification of the surface of textile planar bodies, filaments and films, by electron bombardment in a reduced pressure gas discharge in order to bring about chemical and physical changes on these surfaces and thereby to improve the technological properties or to permit or to facilitate subsequent finishing reactions.
Processes and plant are known for the modification of the surfaces of textile planar bodies, filaments and films by bombardment with high energy electrons. These processes and devices use electron accelerators which impart to the electrons energies of some 100 kiloelectron volts up to some megaelectron volts. Devices with van der
Graaff generators or insulated core transformers are thereby preponderantly employed. An important characteristic of these methods of irradiation is the energy-dependent depth of penetration of the electrons into the solid body which, in the case of the above-mentioned energies, suffices to penetrate textile planar bodies, filaments or films.
For technical fields of use electron accelerators are very expensive. The necessary means for the production of high voltages and beam guiding frequently exceed, in the case of potential users, the usual technical degree of equipping. Furthermore. numerous operational protective measures must be met in order to protect the service personnel from harmful effects of irradiation.
Processes and apparatus are also known in which the surface of the solid body to be treated is brought into contact with ionised gases. The ionised gas is produced by glow, corona or spark discharge. Interactionsthereby take place between the free electrons, ions and excited neutral particles present in the discharge and the2solid body surface. However, the mean value of the interaction energies only amounts to a few electron volts. The energy of electrons impinging on the solid body surfaces in these plasma devices is several magnitudes smaller than in the case of bombardment by accelerator methods, as a result of which the depth of penetration remains limited to less than 1 micrometre. Having regard to the technical expense and the operational protective measures, plasma plants give rise to less problems than electron accelerators although, for the continuous operation of vacuum treatment plant, locks with pumps of high suction capacity are necessary.
I-lowever, in known gas discharge treatment arrangements, only the energy-poor and weak diffusion currents of the charge carriers are utilised so that, due to the exposure times of several minutes which are necessary for the achievement of technological effects, the productivity of these plants is too low for many technical applications.
It is an object of the present invention to provide a process by means of which it is possible, using treatment times which are smaller in comparison with those of the known methods of plasma treatments to modify a large surface of textile planar bodies, filaments or films in order to
achieve effects, such as radical formation, hydrophilising, hydrophobing, adhesion improvement and improved dyeing, on the surface of textile planar bodies, filaments or films with a low expense for apparatus.
The problem forming the basis of the present invention is superficially to modify the surface of textile planar bodies, filaments or films, in such a manner that large surface areas are bombarded with electrons in the kilo-electron voltage range in low pressure gas discharge, the treatment intensity thereby being easily controllable.
Thus, according to the present invention, there is provided a process for the modification of the surface of a material, which is a textile planar body or a filament or a film, by electron bombardment in a reduced pressure gas discharge plasma with the use of flat electrodes, preferably in order to improve the technological properties of the treatment material or to permit or simplify finishing reactions, wherein the treatment material is passed in parallel by the negative flat electrode biassed against the plasma at a distance which is greater than the dark space formed in front of the flat electrodes, the electrodes, on the side remote from the treatment material, being screened by an earthed, parallel guided metal sheet and, on the side facing the treatment material, being covered with a conductive material or a nonconductive material, both of which differ from the electrode material.
In order thereby to be able to control the intensity of the treatment, which is measured, for example, by the absorbency of a textile planar body made of hydrophobic filament material, there is preferably used silicon dioxide as material for covering the flat electrodes and argon as the discharge gas for a comparatively low treatment intensity, whereas aluminium is preferably used as material for covering the flat electrodes and oxygen as discharge gas for a comparatively high treatment intensity. A gas mixture, for example a mixture of gaseous acrylic acid and argon, can also be used as discharge gas. A direct current discharge operating in the range of 1 to 50 Pascal is used in the case of conductive material for covering the electrodes or a high frequency discharge operating in the range of 1 to 50
Pascal is used in the case of non-conductive material for covering the electrodes.
The positive ions impinging upon the negatively biassed flat electrode thereby emit gamma secondary electrons, the number of which per impinging ion is substantially influenced by the combination electrode material/type of ion and the ion energy. The gamma secondary electrons are accelerated by the drop in portential existing between the electrode surface and the plasma via the dark space and bombard the surface of the material to be treated arranged opposite the flat electrode. The distance between the flat electrode and the material to be treated is preferably 2 to 5 times as great as the thickness of the dark space and can be in the range of 2 to 5 cm. For the gamma secondary electrons impinging upon the material to be treated, there result energies which correspond approximately to the potential drop via the dark space and are in the range of 0.5 to 2 kV.
The energy of the gamma secondary electrons impinging upon the material to be treated is adjusted via the voltage on the surface electrodes and the current density is pre-selected not only by the choice of the combination of material for covering the electrodes and discharge gas, preferably quartz and argon for comparatively low current densities and aluminium and oxygen for comparatively high current densities, but also by the discharge parameters. The electrode material and the discharge gas are so combined that, due to the unavoidable sputtering of the flat electrode in the case of ion bombardment, no impairment of the material to be treated takes place.
Furthermore, as material for covering the electrodes, there can be selected a polymer which, due to the action of the ion bombardment, is intensively degraded and splits off monomeric graftable fragments which become enriched in the gas atmosphere. The monomer can be grafted on to the surface of the material to be treated, which is activated by the irradiation with the secondary electrons. It is thereby possible simultaneously to carry out the processes of monomer production, activation of the surface of the material to be treated and grafting.
Due to the use of low pressure gas discharge with direct current or high frequency supply for the modification of the surface of the material to be treated according to the process of the present invention there are obtained the following advantages:
The per se known modification of the surface of the material to be treated by interaction with ionised gases is substantially intensified as a result of the controlled utilisation of the secondary electrons in the kilo electron volt range which appear particularly strongly in the case of special electrode configurations. In this manner, treatment times and activation times of less than 15 seconds for subsequent finishing reactions can be achieved so that, for the achievement of certain already known modification effects, a plasma treatment becomes an economic proposition for the first time and, for certain applications, the expense for apparatus for electron accelerators becomes unnecessary.
Furthermore, it is possible simultaneously to carry out monomer formation, activation and grafting or activation and grafting.
The following Examples are given for the purpose of illustrating the present invention:
EXAMPLE 1.
A textile planar body in the form of a knitted material made of polyethylene terephthalate fibre material is treated by electron bombardment according to the present invention. In a vacuum vessel, there are high voltage-conducting flat electrodes which have a breadth of 30 cm. and a length of 8 cm.
and, on the side remote from the treatment space, are screened by an earthed metal sheet cladding positioned at a distance of 0.7 cm. from the flat electrodes. The sides of the flat electrodes facing the treatment space are covered with certain materials so that, in conjunction with the discharge gas, the desired intensity of the secondary electron emission occurs upon ion bombardment. Thus, for example, there can be used a flat electrode covered with aluminium, together with oxygen as discharge gas. The textile planar body to be treated is passed through symmetrically between the 8 cm.
distanced flat electrodes. Using a high voltage of 1 Kilovolt, a treatment atmosphere of 5 Pascal oxygen and a power density of
1 watt per square centimetre, the textile planar body is passed between the flat electrodes in such a manner that the treatment time is 2 seconds. By means of this treatment, effects occur which admittedly can also be achieved by means of known plasma treatment processes but only with substantially longer treatment times.
If, for example, the so pre-treated polyethylene terephthalate planar body is treated for 30 minutes with a 10% aqueous solution of acrylic acid while flushing with an inert gas, then a weight increase of 3% is obtained. This brings about permanent anti-static properties.
If the so pre-treated polyethylene terephthalate planar body is dipped into an acidic dyestuff solution, then, after 15 minutes, there is obtained a rising height of 18 cm., whereas in the case of an untreated comparison sample, a height of only 2 cm. is obtained. This demonstrates an improvement of the hydrophilitic properties of the pretreated polyethylene terephthalate planar body in comparison with the untreated material. The tendency of the so pre-treated polyethylene terephthalate planar body to pick up dirt is thereby substantilaly reduced and its soil-release properties are substantially improved.
EXAMPLE 2.
In a manner analogous to that described in Example 1, a textile planar body made of polyester fibre materials is treated but the electrode surfaces are coated with polytetrafluoroethylene and the discharge is supplied from a high frequency generator with a frequency of 3 megahertz, using argon as the discharge gas.
Under the influence of the argon ion bombardment, polymer fragments and electrons are emitted from the polytetrafluoroethylene surface The treatment atmosphere thus becomes enriched with polymerisable degradable products of the polytetrafluoroethylene which, under the influence of the electron irradiation, polymerise on the polyester. The textile planar body of polyester fibre material is thus rendered permanently hydrophobic.
EXAMPLE 3.
The treatment of a textile planar body described in Examples 1 and 2 is limited to one side of the treatment material in that, with symmetrical arrangement of the flat electrodes on the symmetrical axis of which the treatment material is passed, one of the two flat electrodes is switched off. Energy is saved by this one-sided treatment.
For the purpose of a one-sided modification of the treatment material, two layers thereof can also be passed by the flat electrodes, both of - which are switched on, and thus the productivity of the treatment can be doubled. In this case, only the outer side of the double strip is then modified.
EXAMPLE 4.
A film of polyethylene terephthalate is treated in a manner analogous to that described in Example 1. In this way, the surface properties thereof are so changed that the wettability, measured by the edge angle of applied droplets, is considerably improved.
WHAT WE CLAIM IS:- 1. Process for the modification of the surface of a material which is a textile planar body or a filament or a film, by electron bombardment in a reduced pressure gas discharge plasma with the use of flat electrodes, wherein the material to be treated is passed in parallel by the negative flat electrode biassed against the plasma at a distance which is greater than the dark space formed in front of the flat electrodes, the electrodes, on the side remote from the treatment material, being screened by an earthed, parallel guided metal sheet and, on the side facing the treatment material, being covered with a conductive material or a non-conductive material, both of which differ from the electrode material.
2. Process according to claim 1, wherein silicon dioxide is used as material for covering the flat electrodes and argon is used as discharge gas.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (11)
1 watt per square centimetre, the textile planar body is passed between the flat electrodes in such a manner that the treatment time is 2 seconds. By means of this treatment, effects occur which admittedly can also be achieved by means of known plasma treatment processes but only with substantially longer treatment times.
If, for example, the so pre-treated polyethylene terephthalate planar body is treated for 30 minutes with a 10% aqueous solution of acrylic acid while flushing with an inert gas, then a weight increase of 3% is obtained. This brings about permanent anti-static properties.
If the so pre-treated polyethylene terephthalate planar body is dipped into an acidic dyestuff solution, then, after 15 minutes, there is obtained a rising height of 18 cm., whereas in the case of an untreated comparison sample, a height of only 2 cm. is obtained. This demonstrates an improvement of the hydrophilitic properties of the pretreated polyethylene terephthalate planar body in comparison with the untreated material. The tendency of the so pre-treated polyethylene terephthalate planar body to pick up dirt is thereby substantilaly reduced and its soil-release properties are substantially improved.
EXAMPLE 2.
In a manner analogous to that described in Example 1, a textile planar body made of polyester fibre materials is treated but the electrode surfaces are coated with polytetrafluoroethylene and the discharge is supplied from a high frequency generator with a frequency of 3 megahertz, using argon as the discharge gas.
Under the influence of the argon ion bombardment, polymer fragments and electrons are emitted from the polytetrafluoroethylene surface The treatment atmosphere thus becomes enriched with polymerisable degradable products of the polytetrafluoroethylene which, under the influence of the electron irradiation, polymerise on the polyester. The textile planar body of polyester fibre material is thus rendered permanently hydrophobic.
EXAMPLE 3.
The treatment of a textile planar body described in Examples 1 and 2 is limited to one side of the treatment material in that, with symmetrical arrangement of the flat electrodes on the symmetrical axis of which the treatment material is passed, one of the two flat electrodes is switched off. Energy is saved by this one-sided treatment.
For the purpose of a one-sided modification of the treatment material, two layers thereof can also be passed by the flat electrodes, both of - which are switched on, and thus the productivity of the treatment can be doubled. In this case, only the outer side of the double strip is then modified.
EXAMPLE 4.
A film of polyethylene terephthalate is treated in a manner analogous to that described in Example 1. In this way, the surface properties thereof are so changed that the wettability, measured by the edge angle of applied droplets, is considerably improved.
WHAT WE CLAIM IS:- 1. Process for the modification of the surface of a material which is a textile planar body or a filament or a film, by electron bombardment in a reduced pressure gas discharge plasma with the use of flat electrodes, wherein the material to be treated is passed in parallel by the negative flat electrode biassed against the plasma at a distance which is greater than the dark space formed in front of the flat electrodes, the electrodes, on the side remote from the treatment material, being screened by an earthed, parallel guided metal sheet and, on the side facing the treatment material, being covered with a conductive material or a non-conductive material, both of which differ from the electrode material.
2. Process according to claim 1, wherein silicon dioxide is used as material for covering the flat electrodes and argon is used as discharge gas.
3. Process according to claim 1, where
in aluminium is used as material for covering the flat electrodes and oxygen is used as discharge gas.
4. Process according to any of the preceding claims, wherein, for the modification of the surface of the material to be treated, there is used a direct current discharge operating in the range of 1 to 50 Pascal in the case of conductive material for covering the electrodes or a high frequency discharge operating in the range of 1 to 50 Pascal in the case of non-conductive material not covering the electrodes.
5. Process according to any of the preceding claims, wherein the gas discharge is carried out with a gas mixture.
6. Process according to claim 5, wherein the gas mixture used is a mixture of gaseous acrylic acid and argon.
7. Process according to any of the preceding claims, wherein either the discharge gas contains at least one monomer which can be grafted on to the material to be treated or at least one such monomer is produced directly into the treatment space from flat electrodes coated with a polymer by interaction with the gas discharge.
8. Process according to any of the preceding claims, wherein the flat electrodes are arranged symmetrically and the material to be treated is passed along the symmetrical axis thereof, one of the two flat electrodes being swiltched off in order to achieve a one-sided modification of the surface of the material to be treated.
9. Process according to any of claims 1 to 7, wherein the flat electrodes are arranged symmetrically and a double layer of the material to be treated is passed along the symmetrical axis thereof in order to achieve a one-sided modification of the surface of the material to be treated.
10. Process according to any of the preceding claims for the modification of the surface of a textile planar body or of a filament or of a film, substantially as hereinbefore described and exemplified.
11. A textile planar body, a filament or a film with a modified surface, whenever produced by the process according to any of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4752476A GB1561383A (en) | 1976-11-15 | 1976-11-15 | Process for the modification of the surface of textile planar bodles filaments and films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4752476A GB1561383A (en) | 1976-11-15 | 1976-11-15 | Process for the modification of the surface of textile planar bodles filaments and films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1561383A true GB1561383A (en) | 1980-02-20 |
Family
ID=10445292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4752476A Expired GB1561383A (en) | 1976-11-15 | 1976-11-15 | Process for the modification of the surface of textile planar bodles filaments and films |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1561383A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148675A2 (en) * | 1983-12-12 | 1985-07-17 | Rakkasan Company Ltd. | A process for resuscitating animal fibers |
| EP1067431A1 (en) * | 1999-07-07 | 2001-01-10 | Eastman Kodak Company | High-efficiency plasma treatment of imaging supports |
| EP1067433A1 (en) * | 1999-07-07 | 2001-01-10 | Eastman Kodak Company | High-efficiency plasma treatment of paper |
| US6603121B2 (en) | 2000-05-19 | 2003-08-05 | Eastman Kodak Company | High-efficiency plasma treatment of paper |
| EP1780325A1 (en) * | 2005-10-26 | 2007-05-02 | Tecnotessile Società Nazionale Di Ricerca Tecnologica r.l. | Fabric finishing process and plant |
-
1976
- 1976-11-15 GB GB4752476A patent/GB1561383A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148675A2 (en) * | 1983-12-12 | 1985-07-17 | Rakkasan Company Ltd. | A process for resuscitating animal fibers |
| EP0148675A3 (en) * | 1983-12-12 | 1986-02-05 | Rakkasan Company Ltd. | A process for resuscitating animal fibers |
| EP1067431A1 (en) * | 1999-07-07 | 2001-01-10 | Eastman Kodak Company | High-efficiency plasma treatment of imaging supports |
| EP1067433A1 (en) * | 1999-07-07 | 2001-01-10 | Eastman Kodak Company | High-efficiency plasma treatment of paper |
| US6565930B1 (en) | 1999-07-07 | 2003-05-20 | Eastman Kodak Company | High-efficiency plasma treatment of paper |
| US6603121B2 (en) | 2000-05-19 | 2003-08-05 | Eastman Kodak Company | High-efficiency plasma treatment of paper |
| EP1780325A1 (en) * | 2005-10-26 | 2007-05-02 | Tecnotessile Società Nazionale Di Ricerca Tecnologica r.l. | Fabric finishing process and plant |
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